19
Oct 2025
Low-calorie diets linked to higher psoriatic arthritis risk, genetic study suggests
This Mendelian randomization study found that low-calorie diets may slightly increase the risk of psoriatic arthritis, while vegetarian and gluten-free diets showed no causal links to psoriasis, acne, or atopic dermatitis. The findings challenge assumptions about universally beneficial dietary patterns and highlight the need for cautious interpretation of dietary interventions in inflammatory skin disease.